题目

Xixia Dinosaur Relic ParkLying at the center of Funiu Mountain World Geopark, Xixia Dinosaur Relic Park in Nanyang, Henan province is a tourist place with high ornamental (观赏性的) and scientific value. The area has cool average summer temperature of 19℃, making it a paradise to escape the summer heat.Xixia Dinosaur Relic Park is a large scale dinosaur theme park, which has the world’s most well preserved dinosaur fossil (化石) eggs. The discovered eggs are the rarest of its kind in the world, which are called the ninth wonder of the world, after the Terracotta Warriors of the First如图为甲、乙两种固体物质的溶解度曲线．请回答下列问题： （1）乙物质的溶解度随温度的升高而 ．（2）在t1℃时，甲、乙两种物质的溶解度均为g．（3）在t2℃时，M点表示甲物质的不饱和溶液，若要将它变为饱和溶液，在不改变溶质质量分数的前提下，采用的方法是（4）将含有甲、乙两溶质的饱各溶液由t1℃升到2℃时，在容器底部析出的固体物质是 ．